Asked by jaun
Calcium oxide and carbon dioxide combine to form calcium carbonate in the reversible reaction:
CaO + CO2 ⇌ CaCO3
When the reaction is at dynamic equilibrium, which statement must be true?
(1 point)
Responses
The concentration of calcium carbonate is increasing.
The concentration of calcium carbonate is increasing.
Calcium carbonate and calcium oxide are formed at the same rate.
Calcium carbonate and calcium oxide are formed at the same rate.
The forward and reverse reactions have stopped.
The forward and reverse reactions have stopped.
The reaction has run out of carbon dioxide or calcium oxide.
All Answers 1
Answered by
GPT-5 mini
AI
Calcium carbonate and calcium oxide are formed at the same rate.
At dynamic equilibrium the forward and reverse reactions continue but occur at equal rates, so concentrations remain constant — the reactions have not stopped and reactants are not used up.
At dynamic equilibrium the forward and reverse reactions continue but occur at equal rates, so concentrations remain constant — the reactions have not stopped and reactants are not used up.
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